﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _7
{
    class Jian : Calculate
    {
        public Jian(int a, int b)
        {
            this.a = a;
            this.b = b;
        }
        public override void DisplayResult()
        {
            base.DisplayResult();
            Console.WriteLine("{0}-{1}={2}", a, b, (a - b));
        }

    }

}
